Home / 64,515,821.60-96,674,199.60-55,956,000.80

Finding the Fourth Proportional to 64,515,821.60, 96,674,199.60 and 55,956,000.80

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Solution

The fourth proportional to 64,515,821.60, 96,674,199.60 and 55,956,000.80 is: 83,847,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,821.60 : 96,674,199.60 = 55,956,000.80 : x
  2. Step 2: Convert to fraction form
    64,515,821.60/96,674,199.60 = 55,956,000.80/x
  3. Step 3: Cross multiply
    64,515,821.60x = 96,674,199.60 × 55,956,000.80
  4. Step 4: Simplify right side
    64,515,821.60x = 5,409,501,590,156,959
  5. Step 5: Solve for x
    x = 5,409,501,590,156,959/64,515,821.60
  6. Step 6: Final answer
    x = 83,847,674.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.